Vendors and suppliers interested in doing business with Allegheny County can review open solicitations for Purchasing and Supplies bids on the Bonfire website. The standard purchasing process for Allegheny County involves: requisitioning; public solicitation; bid and proposal receipt; evaluation and contract award.This RFB seeks competitive bids from qualified contractors to perform the activities in the Scope of Work (SOW) specified herein. RFPs outline the bidding process and contract terms and provide guidance on how bids should be formatted and presented. PORT AUTHORITY OF ALLEGHENY COUNTY d.b.a. Addenda in the final submittal may result in the rejection of your bid. In order to be considered for selection, respondents must submit a complete proposal. We follow a formal Request for Proposal or Request for Qualification process. Federal Register Circular 570 is available for inspection in the Contract Office, Room 504, County Office Building, Pittsburgh, PA 15219. Centre City Tower, Suite 2400